Attachment for cleaning appliance



FIG. 1 is a front perspective view of an attachment for a cleaning appliance showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

We claim the ornamental design for an attachment for cleaning appliance, as shown and described. 